Note 4 - Costs and Estimated Earnings on Uncompleted Contracts (Tables)

9 Months Ended

Sep. 30, 2014

Contractors [Abstract]

Unrealized Gain (Loss) on Investments [Table Text Block]

	September 30, 2014
	U.S
	Government		Commercial		Total
Costs incurred on uncompleted contracts	$	290,924,522	$	82,332,450	$	373,256,972
Estimated earnings		57,658,304		36,786,655		94,444,959
Sub-total		348,582,826		119,119,105		467,701,931
Less billings to date		303,745,077		86,373,955		390,119,032
Costs and estimated earnings in excess of billings on uncompleted contracts	$	44,837,749	$	32,745,150	$	77,582,899

	December 31, 2013
	U.S.
	Government		Commercial		Total
Costs incurred on uncompleted contracts	$	259,050,407	$	62,502,116	$	321,552,523
Estimated earnings		95,590,879		30,694,605		126,285,484
Sub-total		354,641,286		93,196,721		447,838,007
Less billings to date		272,783,120		62,733,921		335,517,041
Costs and estimated earnings in excess of billings on uncompleted contracts	$	81,858,166	$	30,462,800	$	112,320,966

Net Unbilled and Estimated Earnings [Table Text Block]

	September 30, 2014			December 31, 2013
Costs and estimated earnings in excess of billings on uncompleted contracts	$	77,791,327		$	112,597,136
Billings in excess of costs and estimated earnings on uncompleted contracts		(208,428	)		(276,170	)
Totals	$	77,582,899		$	112,320,966